# Production Build Fit Call with Musah Abdulai

> A 15-minute fit call to review what exists today, what must be ready for users, and whether the project is bounded enough for a fixed-scope, fixed-price production build. Clear yes or no after the call.

- Host: Musah Abdulai
- Duration: 15 min
- Location: Google Meet
- Host time zone: Africa/Accra
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/musabdulai/production-build
- Event type id: 6836899

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6836899&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone=<IANA time zone>
cal-api-version: 2024-09-04
```

The response is `{"data":{"YYYY-MM-DD":[{"start":"<ISO 8601 with offset>"}]}}`; no API key is needed.

## Book

```http
POST https://api.cal.com/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 6836899,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "current_state": "…",
    "done_outcome": "…",
    "target_date": "…",
    "product_company": "…",
    "product_url": "…",
    "stack": "…",
    "budget": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `current_state` (What exists today?), `done_outcome` (What must be working when this engagement is done?), `target_date` (Target date and what drives it)
- Optional fields: `guests` (Add guests), `product_company` (Product / company name), `product_url` (Product or prototype URL), `stack` (Current stack, if known), `budget` (Expected implementation budget)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.